<template>
<transition name="slide">
  <music-list :songs="songs" :title="title" :bg-image="bgImage"></music-list>
</transition>
</template>

<script type="text/ecmascript-6">
import {
  mapGetters
} from 'vuex'
import {
  getSingerDetail
} from 'api/singer'
import {
  ERR_OK
} from 'api/config'
import {
  createSong
} from 'common/js/song'
import MusicList from 'components/music-list/music-list'
export default {
  data() {
    return {
      songs: []
    }
  },
  computed: {
    title() {
      return this.singer.name
    },
    bgImage() {
      return this.singer.avatar
    },
    ...mapGetters([
      'singer'
    ])
  },
  created() {
    this._getDetail()
  },
  methods: {
    _getDetail() {
      if (!this.singer.id) {
        this.$router.push('/singer')
        return
      }
      getSingerDetail(this.singer.id).then((res) => {
        if (res.code === ERR_OK) {
          this.songs = this._normalizeSongs(res.data.list)
          console.log(this.songs)
        }
      })
    },
    _normalizeSongs(list) {
      let ret = []
      list.forEach((item) => {
        let {
          musicData
        } = item
        if (musicData.songid && musicData.albummid) {
          ret.push(createSong(musicData))
        }
      })
      return ret
    }
  },
  components: {
    MusicList
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "~common/stylus/variable"
    .slide-enter-active,.slide-leave-active
      transition: all 0.3s
    .slide-enter,.slide-leave-to
      transform: translate3d(100%,0,0)
</style>
